131202134133400 has 96 divisors (see below), whose sum is σ = 334500552759600. Its totient is φ = 47462665420800.

The previous prime is 131202134133347. The next prime is 131202134133437. The reversal of 131202134133400 is 4331431202131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 154076265 + ... + 154925464.

Almost surely, 2^{131202134133400} is an apocalyptic number.

131202134133400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131202134133400 is an abundant number, since it is smaller than the sum of its proper divisors (203298418626200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131202134133400 is a wasteful number, since it uses less digits than its factorization.

131202134133400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309001949 (or 309001940 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 131202134133400 its reverse (4331431202131), we get a palindrome (135533565335531).

The spelling of 131202134133400 in words is "one hundred thirty-one trillion, two hundred two billion, one hundred thirty-four million, one hundred thirty-three thousand, four hundred".